Update library files license to use LGPL3+ and GPL2+.

1 files changed, 18 insertions, 7 deletions

diff --git a/README b/README
index d2a4a5c87..7e7cb9488 100644
--- a/README
+++ b/README
@@ -3,17 +3,28 @@ Copyright 1991, 1996, 1999, 2000, 2007 Free Software Foundation, Inc.
 This file is part of the GNU MP Library.
 
 The GNU MP Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published
-by the Free Software Foundation; either version 3 of the License, or (at
-your option) any later version.
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
 
 The GNU MP Library is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
-License for more details.
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
 
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MP Library.  If not, see https://www.gnu.org/licenses/.
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.